The 1939 costar of Garland was Bert Lahr, an American actor and comedian. Lahr is best known for his role as the Cowardly Lion in the 1939 film The Wizard of Oz. He also starred in many other films, including Flying High, Hold That Ghost, and The Night They Raided Minsky's. Lahr was a popular vaudeville performer before transitioning to film. He was known for his comedic timing and physical comedy.